Re: [foxboro] Running Manual Cable Test - Automatically? - Nodebus slowdown - AIM configuration
- From: "Hizamri Johari" <hizamri@xxxxxxxxxxxxx>
- To: <foxboro@xxxxxxxxxxxxx>
- Date: Tue, 5 Feb 2013 09:24:20 +0800
Hi Jaime
We had nodebus slowdown a couple of year ago..
The wp foxview screen seems hanging when operator were changing the
screens..
The issue worsened during plant shutdown / trips due to flooded process
alarms..
We had Singapore TAC engineers cameby a couple of time..
Our nodebus slowdown was traced to the aim* configuration.. Most deltas were
too small ( << 1% of range ).... The nodebus was consumed by the AIM
updating activites..
After correcting the deltas ( = 1% of range ).. The nodebus issues was
resolved... Even during shutdowns/plantrips the nodebus seem to cope
gracefully..
God knows best..
Best Regards..
Hizamri
----- Original Message -----
From: "Jaime Claramunt R. (Río Vergara)" <Jaime.Claramunt@xxxxxxx>
To: <foxboro@xxxxxxxxxxxxx>
Sent: Tuesday, February 05, 2013 3:10 AM
Subject: Re: [foxboro] Running Manual Cable Test - Automatically?
> We have same issue here.
> Operators stations seems to slow down, even freeze.
> Sometimes is all stations around the plant.
>
> The only message is in system monitor, at Network level, "BAD CBL B"
> Sometimes some nodes other than operator stations, signaling "RB"
>
> By the way, we also have an ATS merging 7.x versions with 8.x versions
>
> Also 8.x version stations collapse, and show cyan color text (no control
> from screens)
>
> We are kind of lost here too,
> We will take recommendation here about commitals files.
> And we are planning to check all fiber optics links with A and B switches,
> searching for bad connections in both sides, so we are permanently jumping
> Channels A to B and back.
>
> If you have more recommendations or solutions, feel free to post it, or
> contact me directly.
>
> Jaime Claramunt
> CMPC Papeles Rio Vergara
> Paper Plant
>
>
>
> -----Mensaje original-----
> De: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] En
> nombre de Barry Heap
> Enviado el: domingo, 03 de febrero de 2013 21:38
> Para: foxboro@xxxxxxxxxxxxx
> Asunto: Re: [foxboro] Running Manual Cable Test - Automatically?
>
> Thanks Russ,
>
> I know that this system is 'supposed' to be a single node ...
> Re:
> When I am next on site I will check the nbe_db.cfg file contents and
> make sure it is correct ...
>
> This system was compressed from a multi node system over CBLANs a few
> years ago ...
>
> Thanks.
>
> Barry Heap
> Control Direction
>
>
> On 4/02/13 11:24 AM, Boulay, Russ wrote:
>> The issue you are describing..."nodebus slowdown" under those
>> descriptions sounds like false cable tests are being run.
>> Often times this is caused by incorrectly configured nbe_db.cfg file in
>> /usr/fox/sysmgm
>> Depending on the Node structure the entries in this file are vital.
>> And don't misinterpret what a Nodebus extension is...it doesn't just mean
>> Nodebus Extenders...NCNI's between segments count as well.
>>
>> The file "nbe_db.cfg" is located in /usr/fox/sysmgm and comes from the
>> committal install diskette generated by System Definition. This file is
>> a global file and should be the same on every committed station in a
>> system.
>>
>> Example 1:
>> A "nbe_db.cfg" file containing four nodes with no Nodebus Extenders. The
>> name for each node is the letterbug for the LAN of each node.
>>
>> 01CL01 0
>> 02CL01 0
>> 03CL01 0
>> 04CL01 0
>>
>> Example 2:
>> A "nbe_db.cfg" file containing four nodes with Nodebus Extenders on
>> Nodes 1 and 3.
>>
>> 01CL01 1
>> 02CL01 0
>> 03CL01 1
>> 04CL01 0
>>
>> Example 3:
>> A "nbe_db.cfg" file for a single node system with no nodebus extenders.
>>
>> FOX_LI 0
>>
>> Example 4:
>> A "nbe_db.cfg" file for a single node system with nodebus extenders.
>>
>> FOX_LI 1
>>
>>
>> -----Original Message-----
>> From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
>> On Behalf Of Barry Heap
>> Sent: Sunday, February 03, 2013 4:00 PM
>> To: foxboro@xxxxxxxxxxxxx
>> Cc: Goldie, Shaun S
>> Subject: Re: [foxboro] Running Manual Cable Test - Automatically?
>>
>> Hi Shaun,
>>
>> Yes, the issue we have is stations being islanded ... and we have had an
>> A/B crossover issue in the past, so we know the pain that this can cause.
>>
>> The current problem seems to be caused by a fleeting cable fault - in
>> V6.x this would be rectified by the NFD (?) when it next determined that
>> the cable was now good.
>>
>> It seems that V7.x uses the A/B cables differently - and handles the
>> fault conditions (or the recovery at least) differently.
>>
>> This is not the only V7.x site that I have seen this behaviour - and the
>> fix is always the same .. a Cable Test will fix it.
>>
>> It's bad enough when it happens during the day .. but worse if it results
>> in a call-in. But it's a real concern when it shakes the Operator's
>> confidence in the system.
>>
>> Thanks.
>>
>>
>> Barry Heap
>> Control Direction
>>
>> On 4/02/13 10:40 AM, Goldie, Shaun S wrote:
>>> Hi Barry
>>> We had strange problems on a V7 system that also led to islanding The
>>> problem was an A/B Buss crossover, when a device fails the bus gets
>>> told to switch and some were going to A while others were going to B
>>> The node bus test looks like a fix because it brings both busses
>>> online Shaun
>>>
>>> -----Original Message-----
>>> From: foxboro-bounce@xxxxxxxxxxxxx
>>> [mailto:foxboro-bounce@xxxxxxxxxxxxx] On Behalf Of Barry Heap
>>> Sent: Monday, 4 February 2013 12:30 PM
>>> To: foxboro@xxxxxxxxxxxxx
>>> Subject: [foxboro] Running Manual Cable Test - Automatically?
>>>
>>> Hi List,
>>>
>>> We have a V7.x site running with NCNI/RCNI and Enterasys switches as our
>>> Nodebus.
>>>
>>> We have experienced the V7.x slowdown that seems to be caused by Cable
>>> faults that may be fleeting or longer term. Either way, the first
>>> indication we get is the Operators informing the site engineers that
>>> 'the screens are running slow again'.
>>>
>>> The fix is to run a Manual Nodebus Cable test and the fault clears
>>> immediately.
>>>
>>> My question is:
>>>
>>> Is it possible to schedule a 'manual' Cable test to be run
>>> automatically?
>>>
>>> I know it may be an odd request, but the V7.x systems just don't recover
>>> themselves the way the old V6.x systems do .. and the screen slowdown is
>>> causing some grief on site.
>>>
>>> Oh, a V8.x upgrade is not an option at this time, or the near future...
>>>
>>> Thanks.
>>>
>>>
>>> Barry Heap
>>> Control Direction
>>>
>>>
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>>
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>> This mailing list is neither sponsored nor endorsed by Invensys Process
>> Systems (formerly The Foxboro Company). Use the info you obtain here at
>> your own risks. Read http://www.thecassandraproject.org/disclaimer.html
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>
>
>
> _______________________________________________________________________
> This mailing list is neither sponsored nor endorsed by Invensys Process
> Systems (formerly The Foxboro Company). Use the info you obtain here at
> your own risks. Read http://www.thecassandraproject.org/disclaimer.html
>
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> to unsubscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=leave
>
>
>
> _______________________________________________________________________
> This mailing list is neither sponsored nor endorsed by Invensys Process
> Systems (formerly The Foxboro Company). Use the info you obtain here at
> your own risks. Read http://www.thecassandraproject.org/disclaimer.html
>
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- » Re: [foxboro] Running Manual Cable Test - Automatically? - Nodebus slowdown - AIM configuration - Hizamri Johari
